US-based online shoe and apparel shop Zappos has beacme another victim of cyber criminals. The Zappos authority has confirmed this recent breach. Immediately Zappos told their 24 million users to reset their passwords. The security breach by an unknown party or parties through one of the company's servers in Kentucky is said to have exposed the private data of the Amazon.com subsidiary's more than 24 million customers.

In an email sent to customers, Zappos CEO Tony Hsieh said that information that may have been accessed in the breach included customer names, email addresses, billing and shipping addresses, telephone numbers and the last four digits of credit cards used, as well as "cryptographically scrambled" versions of site passwords. The database that contains customer's full credit card details and other payment data "was not affected or accessed", added Hsieh. As a security precaution, Zappos.com has reset and expired customer passwords; customers who use the same or a similar password on other sites are advised to change those as well.

"We've spent over 12 years building our reputation, brand, and trust with our customers. It's painful to see us take so many steps back due to a single incident," Hsieh's e-mail said The company says that it is cooperating with law enforcement and that an investigation is currently taking place. Customers of6pm.com, which is owned by Zappos, are also affected.

In 2011 we have seen several cases. Sony, PSN, City Bank, CSDN, Square Enix, Maple story and many more became the victim of cyber attack.